Silicocalcium
硅钙合金
🗣️ 情景例句
Financial security, that's what it's all about.
家庭财政状况无忧，这就够了。
Would you care to take a seat while I make out a receipt?
请坐一会儿好吗？我给您开个收据。
We've got to think of ways of changing people's habits.
我们得想想办法，改变人们的习惯。